Use of curcumin in the preparation of fungicides for preventing and treating plant diseases caused by plant pathogenic bacteria

A technology for plant pathogenic bacteria and plant diseases, applied in the field of fungicidal active compounds, can solve problems such as reports of curcumin inhibitory effects, and achieve the effects of broad research and market application prospects, large environmental pollution, and high residues

Active Publication Date: 2018-05-08
QINGDAO AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] At present, there is no report on the inhibitory effect of curcumin on agricultural pathogenic bacteria at home and abroad.

Method used

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  • Use of curcumin in the preparation of fungicides for preventing and treating plant diseases caused by plant pathogenic bacteria
  • Use of curcumin in the preparation of fungicides for preventing and treating plant diseases caused by plant pathogenic bacteria
  • Use of curcumin in the preparation of fungicides for preventing and treating plant diseases caused by plant pathogenic bacteria

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] 1. Experimental materials

[0045] Curcumin is a finished product purchased from Sigma. Weigh 7.37g of curcumin in 20ml of dimethyl sulfoxide to prepare a 1M mother solution, filter and sterilize and store at 4°C for later use.

[0046] The phytopathogenic bacteria used in this experiment were strains stored at 4°C in the laboratory, and the medium used was potato medium (PDA for short).

[0047]PDA medium formula: potato (peeled) 200g, glucose 20g, agar 15g, tap water 1000ml, natural PH

[0048] Preparation method: wash and peel the potatoes, weigh 200g, cut into small pieces, add water and boil until rotten (boil for 20-30 minutes, it can be pierced by a glass rod), filter it into a beaker with eight layers of gauze, add 15-20g of agar, add 20g of glucose, stir evenly, fully dissolve and then cool down to make up water to 1000ml, after subpackaging, sterilize at 121°C for 20 minutes, cool down and set aside.

[0049] 2. Experimental method

[0050] using the growt...

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Abstract

The invention provides use of curcumin in preparation of a fungicide for preventing and controlling plant diseases caused by plant pathogens. Indoor toxicity determination proves that curcumin has high inhibitory activity on plant pathogenic fungi. As a sterilizing agent, the curcumin has the advantages of high efficiency and low toxicity, and meets the requirement of chemical prevention and control of the plant diseases. The drug tolerance of the pathogens is enhanced due to use of a large quantity of sterilizing agents at present, and the conventional sterilizing agents have the defects of great environmental pollution and high residue content and direct threat food safety of human beings. Curcumin is a degradable, pollution-free and environment-friendly small molecular compound, has poor drug tolerance, and is safe to non-target organisms and human beings and live stocks, so that high quality of agricultural products, fruits and vegetables can be ensured, the requirement of sustainable development is met, and the research and market application prospects are wide.

Description

technical field [0001] The invention relates to compounds with fungicidal activity, in particular to the use of curcumin in the preparation of fungicides for preventing and treating plant diseases caused by plant pathogenic bacteria. Background technique [0002] Since the 21st century, with the advancement of science and technology and the improvement of social productivity, human beings have created unprecedented wealth. At the same time, problems such as population growth, resource shortage, environmental pollution, ecological damage and frequent natural disasters have become increasingly prominent, seriously hindering agricultural production. As a result, agricultural production is under unprecedented pressure. According to the estimates of the Food and Agriculture Organization of the United Nations, the annual loss of grain and cotton production in the world is more than 10% due to diseases. Plant diseases can not only reduce the yield of crops, but also seriously thre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N35/02A01P3/00
CPCA01N35/02
Inventor 梁文星吕斌娜谭玲玲王光远
Owner QINGDAO AGRI UNIV
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